FORT COLLINS, Colo. (AP) — A Colorado State University health researcher has received a NASA grant for a radiation study in which the subjects will be one twin in space and his brother back on earth.

In an announcement Monday, the university said the project by Susan Bailey is among 10 to receive NASA funding to measure the impact of space travel on the human body. The associate professor in CSU's Department of Environmental and Radiological Health Sciences received $150,000 from NASA.

Bailey's research focuses on chromosomal features called telomeres that protect the body from the cancer-causing effects of radiation. Radiation is a concern during space flight.

Starting next March, Scott Kelly will spend a year on the space station, while his brother Mark remains on earth.